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Effects of Lanthanum on Root Growth and Senescence of GF43(Prunus domestica) Plantlet in Vitro
Pages: 696-700
Year: Issue:  5

Keyword:  agricultural biologyLaCl3GF43 plantlet in vitrorootingsenescencerare earths;
Abstract: The effect and the action mechanism of lanthanum on GF43 plantlet in vitro were studied. The results of experiments show that root growth rate and dry weight of GF43 by LaCl3 treatments increase. The activities of antioxidant enzymes in root system such as superoxide dismutase(SOD),catalase(CAT) and peroxidase(POD) apparently enhance. Moreover *O-2 and malond ialdehyde(MDA) contents and cell membrane permeability of GF43 are decreased by LaCl3. The relatively stable membrane structure of cell could also be maintained and the root ageing of GF43 plantlet in vitro delays.
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